Finding the Fourth Proportional to 495,044,296.64, 683,121,135.76 and 286,213,897.12
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Solution
The fourth proportional to 495,044,296.64, 683,121,135.76 and 286,213,897.12 is: 394,952,055.40
Step by Step Solution
- Step 1: Write the proportion equation
495,044,296.64 : 683,121,135.76 = 286,213,897.12 : x - Step 2: Convert to fraction form
495,044,296.64/683,121,135.76 = 286,213,897.12/x - Step 3: Cross multiply
495,044,296.64x = 683,121,135.76 × 286,213,897.12 - Step 4: Simplify right side
495,044,296.64x = 195,518,762,470,910,208 - Step 5: Solve for x
x = 195,518,762,470,910,208/495,044,296.64 - Step 6: Final answer
x = 394,952,055.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.